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CO2 laser drilling coupled with moderate electric fields for enhancement of the mass transfer phenomenon in a tomato (Lycopersicon esculentum) peeling process
Journal of Food Engineering ( IF 5.5 ) Pub Date : 2020-07-01 , DOI: 10.1016/j.jfoodeng.2019.109870
Wladimir Silva-Vera , Natalia Avendaño-Muñoz , Helena Nuñez , Cristian Ramírez , Sergio Almonacid , Ricardo Simpson

Abstract Tomatoes are listed as the most consumed vegetables around the world, with a profitable market into the peeled-canned tomato industry. In this sense, the lye method is commonly performed as peeling method, but with severe impact on the environment. Therefore, this study focuses on modifying the surface of tomato skin by using laser CO2 drilling under different pore size (127.92–194.39 μm), pore density (2–9 pore·cm−2) and coupled with moderate electric field (MEF) at 1333 V m−1 to facilitate its removal. The variables NaOH concentration, pore density and pore size were tested. As a result, the effective diffusion coefficient for the drilled skin ranged between 4.45 × 10−11 and 24.95 × 10−11 m2 s−1 at 60 °C (p-value

中文翻译:

CO2 激光钻孔与中等电场相结合,用于增强番茄 (Lycopersicon esculentum) 剥皮过程中的传质现象

摘要 番茄被列为世界上消费量最大的蔬菜,去皮罐装番茄行业具有有利可图的市场。从这个意义上说,碱液法通常作为剥离法进行,但对环境的影响严重。因此,本研究的重点是通过在不同孔径(127.92-194.39 μm)、孔密度(2-9 孔·cm-2)和中等电场(MEF)下使用激光 CO2 钻孔对番茄皮表面进行改性。 1333 V m-1 以促进其移除。测试了变量NaOH浓度、孔密度和孔径。因此,钻孔表皮的有效扩散系数在 60 °C 时介于 4.45 × 10−11 和 24.95 × 10−11 m2 s−1 之间(p 值
更新日期:2020-07-01
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